Use OCR component to retrieve text from image, for example from scanned paper document.

uses Tesseract OCR engine and Leptonica image processing library
supports Windows, macOS, iOS and Android
available for Delphi/C++ Builder XE2 - 10.4
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder optical barcode recognition component for FireMonkey.
uses ZBar bar code reader library
supports EAN-13/UPC-A, EAN-8, UPC-E, Code 39, Code 93, Code 128, Codabar, GS1 DataBar, GS1 DataBar Expanded, Interleaved 2 of 5, SQ Code and QR Code barcodes
supports Windows, macOS, iOS and Android
available for Delphi/C++ Builder XE3 - 10.4
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder component for retrieving joystick position and status.
uses standard Windows Joystick API
supports Delphi/C++ Builder 10 - 10.4 FireMonkey applications
supports Windows 32/64-bits
source code included in registered version
royalty free distribution with applications

IntraWeb supports RAD Studio / Delphi XE2, and in fact is included as a part of RAD Studio / Delphi XE2. If you have RAD Studio / Delphi XE2, you already have IntraWeb XII. RAD Studio 2009, 2010, XE, XE2, XE3, XE4, XE5, XE6, XE7, XE8, 10 Seattle, 10.1 Berlin, Delphi 10.2 Tokyo, Delphi 10.3 Rio and Delphi 10.4 Sydney.

EO.WebBrowser is a web browser engine based on Google's Chrome project but with native .NET programming interface --- don't worry, it's not a wrapper around the Chrome browser installed on your machine. In fact EO.WebBrowser has the whole browser engine embedded inside a single .NET DLL. In another word, it has zero external dependency. Just reference and use.

Delphi and C++ Builder components to acquire images from scanner devices.
uses standard Windows Image Acquisition API
supports interactive and non-interactive image scanning
supports flip, rotate, crop, scale, stamp filters
supports BMP, PNG, GIF, JPEG and TIFF image formats
available for Delphi/C++ Builder XE2 - 10.3
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder components to acquire images from scanner devices.
uses standard Windows Image Acquisition API
supports interactive and non-interactive image scanning
supports flip, rotate, crop, scale, stamp filters
supports BMP, PNG, GIF, JPEG and TIFF image formats
available for Delphi/C++ Builder 7 - 10.4 and Lazarus 2.0.8
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder component for retrieving joystick position and status.

uses DirectX API
supports Delphi/C++ Builder XE7 - 10.4 FireMonkey applications
supports Windows 32/64-bits
source code included in registered version
royalty free distribution

Delphi and C++ Builder component for retrieving joystick position and status.

Uses standard Windows Joystick API
Supports Delphi/C++ Builder 10 - 10.4 FireMonkey applications
Supports Windows 32/64-bits
Source code is included in registered version
Royalty free distribution in applications

Aspose.BarCode for .NET is a powerful library to generate & recognize 1D & 2D barcodes from multiple image types at any angle. Developers can easily add the barcode generation and scanning functionality to their .NET applications. It also allows exporting the generated barcodes to different high-quality image formats.